BIND 10 #1278: SOA serial number comparison utility

[BIND 10 Development]

#1278: SOA serial number comparison utility
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                   Reporter:         |                 Owner:  UnAssigned
  jinmei                             |                Status:  reviewing
                       Type:  task   |             Milestone:
                   Priority:         |  Sprint-20111206
  blocker                            |            Resolution:
                  Component:         |             Sensitive:  0
  libdns++                           |           Sub-Project:  DNS
                   Keywords:         |  Estimated Difficulty:  3
            Defect Severity:  N/A    |           Total Hours:  0
Feature Depending on Ticket:         |
        Add Hours to Ticket:         |
                  Internal?:  0      |
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Changes (by jelte):

 * owner:  jelte => UnAssigned
 * status:  assigned => reviewing


Comment:

 Ready for review, it's a bit bigger than originally conceived, as I added
 a full class for this (and included nearly everything relevant I could
 find in the RFC as tests), but most of it should be pretty
 straightforward.

 One note, rdata::soa::getSerial() returns this new type now (an API
 change), instead of the uint32_t. One of the instances where it is
 actually used right now is that datasource database layer, where it still
 expects a uint32_t. This is intentional, as this type represents 'dns
 knowledge'. There is is 'converted' back using getValue().

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Ticket URL: <http://bind10.isc.org/ticket/1278#comment:10>
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